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Clean Lab (ERB-5118, A, B)

The clean laboratory incorporates design principles successfully used in our previous clean lab facility, and those operating at the Massachusetts Institute of Technology and the Carnegie Institution of Washington. The clean laboratory suite includes three fully exhausted, fully HEPA-filtered rooms each separated from each other by >0.05″ w.c. of cascading positive pressure:

A dedicated oven room (ERB-5118A) for high-T, high-P sample dissolutions in Parr vessels, including a polypropylene hood, which also serves as an airlock into ERB-5118 with a 2 cubic foot polypropylene interlocked passthrough for ease of transfer of samples between laboratories.

Clean lab antechamber and dedicated oven room for high-T, high-P dissolution of accessory minerals. Door to right accessing the tracer isotope clean laboratory, ERB-5118.This view of the tracer isotope clean lab shows both the entry from ERB-5116, and a weighing station with Mettler XS205 and PB1502-S balances.Building-wide deionized water is fed to through Millipore Elix 5 UV and Milli-Q Gradient to provide ultra-pure water for the clean lab.HEPA-filtered hood with custom made hotplates and heat lamps for cleaning, sample dissolution and sample dry down. All wiring is protected in teflon shrink-tubing, and proportional controllers are located outside of the hood.ULPA-filtered, exhausted 6′ vertical laminar flow workstation (Microzone) in interior U-Th-Pb clean room, accessed from and at >0.05″ w.c. positive pressure relative to tracer isotope clean lab (door just off-camera to left).